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Message-ID: <2025052901-CVE-2025-37994-6e9c@gregkh> Date: Thu, 29 May 2025 15:16:01 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-cve-announce@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...nel.org> Subject: CVE-2025-37994: usb: typec: ucsi: displayport: Fix NULL pointer access From: Greg Kroah-Hartman <gregkh@...nel.org> Description =========== In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: displayport: Fix NULL pointer access This patch ensures that the UCSI driver waits for all pending tasks in the ucsi_displayport_work workqueue to finish executing before proceeding with the partner removal. The Linux kernel CVE team has assigned CVE-2025-37994 to this issue. Affected and fixed versions =========================== Issue introduced in 5.2 with commit af8622f6a585d8d82b11cd7987e082861fd0edd3 and fixed in 5.15.183 with commit 7804c4d63edfdd5105926cc291e806e8f4ce01b5 Issue introduced in 5.2 with commit af8622f6a585d8d82b11cd7987e082861fd0edd3 and fixed in 6.1.139 with commit 076ab0631ed4928905736f1701e25f1e722bc086 Issue introduced in 5.2 with commit af8622f6a585d8d82b11cd7987e082861fd0edd3 and fixed in 6.6.91 with commit 14f298c52188c34acde9760bf5abc669c5c36fdb Issue introduced in 5.2 with commit af8622f6a585d8d82b11cd7987e082861fd0edd3 and fixed in 6.12.29 with commit 5ad298d6d4aebe1229adba6427e417e89a5208d8 Issue introduced in 5.2 with commit af8622f6a585d8d82b11cd7987e082861fd0edd3 and fixed in 6.14.7 with commit e9b63faf5c97deb43fc39a52edbc39d626cc14bf Issue introduced in 5.2 with commit af8622f6a585d8d82b11cd7987e082861fd0edd3 and fixed in 6.15 with commit 312d79669e71283d05c05cc49a1a31e59e3d9e0e Please see https://www.kernel.org for a full list of currently supported kernel versions by the kernel community. Unaffected versions might change over time as fixes are backported to older supported kernel versions. The official CVE entry at https://cve.org/CVERecord/?id=CVE-2025-37994 will be updated if fixes are backported, please check that for the most up to date information about this issue. Affected files ============== The file(s) affected by this issue are: drivers/usb/typec/ucsi/displayport.c Mitigation ========== The Linux kernel CVE team recommends that you update to the latest stable kernel version for this, and many other bugfixes. Individual changes are never tested alone, but rather are part of a larger kernel release. Cherry-picking individual commits is not recommended or supported by the Linux kernel community at all. If however, updating to the latest release is impossible, the individual changes to resolve this issue can be found at these commits: https://git.kernel.org/stable/c/7804c4d63edfdd5105926cc291e806e8f4ce01b5 https://git.kernel.org/stable/c/076ab0631ed4928905736f1701e25f1e722bc086 https://git.kernel.org/stable/c/14f298c52188c34acde9760bf5abc669c5c36fdb https://git.kernel.org/stable/c/5ad298d6d4aebe1229adba6427e417e89a5208d8 https://git.kernel.org/stable/c/e9b63faf5c97deb43fc39a52edbc39d626cc14bf https://git.kernel.org/stable/c/312d79669e71283d05c05cc49a1a31e59e3d9e0e
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